<template>
  <el-container class="home-content">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="../assets/heima.png" alt />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="callBackeLogin">退出</el-button>
    </el-header>
    <!-- 页面主体区域 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse?'64px':'200px'">
        <div class="foldMenu" @click="foldMenu">|||</div>
        <!-- 侧边栏菜单区域 -->
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409EFF"
          unique-opened
          :collapse="isCollapse"
          :collapse-transition="false"
          router
          :default-active="activePath"
        >
          <!-- 一级菜单 -->
          <el-submenu :index="item.id+''" :key="item.id" v-for="item in menusList">
            <!-- 一级菜单模版区域 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="idObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>

            <!-- 二级菜单 -->
            <el-menu-item
              :index="'/'+subItem.path"
              :key="subItem.id"
              v-for="subItem in item.children"
              @click="cutRouter('/'+subItem.path)"
            >
              <!-- 图标 -->
              <i class="el-icon-menu"></i>
              <!-- 文本 -->
              <span>{{subItem.authName}}</span>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧内容区域 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data() {
    return {
      menusList: [],
      idObj: {
        125: 'iconfont icon-user',
        103: 'iconfont icon-tijikongjian',
        101: 'iconfont icon-shangpin',
        102: 'iconfont icon-danju',
        145: 'iconfont icon-baobiao'
      },
      isCollapse: false,
      // 被激活的动态地址
      activePath: ''
    };
  },
  created() {
    this.getMenuList();
    this.activePath = window.sessionStorage.getItem('activePath');
  },
  methods: {
    callBackeLogin() {
      // 清除token
      window.sessionStorage.clear('token');
      // 跳转到登录页面
      this.$router.push('/login');
    },
    async getMenuList() {
      // 发送请求
      const data = await this.$http.get('menus');
      // console.log(data);
      this.menusList = data;
      // console.log(this.menusList);
    },
    // 点击切换菜单的折叠与否
    foldMenu() {
      this.isCollapse = !this.isCollapse;
    },
    // 点击侧边栏菜单切换路由
    cutRouter(activePath) {
      // console.log(activePath);
      // 获取到当前的路由地址存储起来
      window.sessionStorage.setItem('activePath', activePath);
      this.activePath = activePath;
    }
  }
};
</script>

<style lang="less" scoped>
.home-content {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0px;
  align-items: center;
  font-size: 20px;
  color: #ffffff;
  div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
}
.el-main {
  background-color: #eaedf1;
}
.iconfont {
  margin-right: 10px;
}
.el-menu {
  border-right: none;
}
// 折叠菜单
.foldMenu {
  background-color: #4a5064;
  color: #ffffff;
  text-align: center;
  letter-spacing: 3px;
  font-size: 10px;
  line-height: 24px;
  cursor: pointer;
}
</style>
